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<FONT color="green">001</FONT>    package com.googlecode.client;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.util.ArrayList;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.util.Arrays;<a name="line.4"></a>
<FONT color="green">005</FONT>    <a name="line.5"></a>
<FONT color="green">006</FONT>    import com.google.gwt.core.client.EntryPoint;<a name="line.6"></a>
<FONT color="green">007</FONT>    import com.google.gwt.user.client.ui.Button;<a name="line.7"></a>
<FONT color="green">008</FONT>    import com.google.gwt.user.client.ui.ClickListener;<a name="line.8"></a>
<FONT color="green">009</FONT>    import com.google.gwt.user.client.ui.Label;<a name="line.9"></a>
<FONT color="green">010</FONT>    import com.google.gwt.user.client.ui.RootPanel;<a name="line.10"></a>
<FONT color="green">011</FONT>    import com.google.gwt.user.client.ui.Widget;<a name="line.11"></a>
<FONT color="green">012</FONT>    <a name="line.12"></a>
<FONT color="green">013</FONT>    /**<a name="line.13"></a>
<FONT color="green">014</FONT>     * Entry point classes define &lt;code&gt;onModuleLoad()&lt;/code&gt;.<a name="line.14"></a>
<FONT color="green">015</FONT>     */<a name="line.15"></a>
<FONT color="green">016</FONT>    public class gwtgchartjava implements EntryPoint {<a name="line.16"></a>
<FONT color="green">017</FONT>    <a name="line.17"></a>
<FONT color="green">018</FONT>      /**<a name="line.18"></a>
<FONT color="green">019</FONT>       * This is the entry point method.<a name="line.19"></a>
<FONT color="green">020</FONT>       */<a name="line.20"></a>
<FONT color="green">021</FONT>      public void onModuleLoad() {<a name="line.21"></a>
<FONT color="green">022</FONT>        final Button button = new Button("Click me");<a name="line.22"></a>
<FONT color="green">023</FONT>        final Label label = new Label();<a name="line.23"></a>
<FONT color="green">024</FONT>    <a name="line.24"></a>
<FONT color="green">025</FONT>        button.addClickListener(new ClickListener() {<a name="line.25"></a>
<FONT color="green">026</FONT>          public void onClick(Widget sender) {<a name="line.26"></a>
<FONT color="green">027</FONT>            if (label.getText().equals(""))<a name="line.27"></a>
<FONT color="green">028</FONT>              label.setText("Hello World!");<a name="line.28"></a>
<FONT color="green">029</FONT>            else<a name="line.29"></a>
<FONT color="green">030</FONT>              label.setText("");<a name="line.30"></a>
<FONT color="green">031</FONT>          }<a name="line.31"></a>
<FONT color="green">032</FONT>        });<a name="line.32"></a>
<FONT color="green">033</FONT>    <a name="line.33"></a>
<FONT color="green">034</FONT>        // Assume that the host HTML has elements defined whose<a name="line.34"></a>
<FONT color="green">035</FONT>        // IDs are "slot1", "slot2".  In a real app, you probably would not want<a name="line.35"></a>
<FONT color="green">036</FONT>        // to hard-code IDs.  Instead, you could, for example, search for all <a name="line.36"></a>
<FONT color="green">037</FONT>        // elements with a particular CSS class and replace them with widgets.<a name="line.37"></a>
<FONT color="green">038</FONT>        //<a name="line.38"></a>
<FONT color="green">039</FONT>        RootPanel.get("slot1").add(button);<a name="line.39"></a>
<FONT color="green">040</FONT>        RootPanel.get("slot2").add(label);<a name="line.40"></a>
<FONT color="green">041</FONT>        Float[] data = new Float[]{ new Float( 0f ), new Float( 45f ), new Float( 35f ), new Float( 75f ), new Float( 10000f ) };<a name="line.41"></a>
<FONT color="green">042</FONT>        <a name="line.42"></a>
<FONT color="green">043</FONT>        // Defining Line<a name="line.43"></a>
<FONT color="green">044</FONT>        Line line = new Line( new Data( Arrays.asList( data ) ) );<a name="line.44"></a>
<FONT color="green">045</FONT>        line.setLineStyle(new LineStyle(3,1,0));<a name="line.45"></a>
<FONT color="green">046</FONT>        line.setColor(Color.RED);<a name="line.46"></a>
<FONT color="green">047</FONT>        //Defining chart.<a name="line.47"></a>
<FONT color="green">048</FONT>        LineChart chart = new LineChart( new ArrayList( Arrays.asList( new Line[]{ line } ) ) );<a name="line.48"></a>
<FONT color="green">049</FONT>        chart.setSize( 400, 300 );<a name="line.49"></a>
<FONT color="green">050</FONT>        chart.setTitle( "Web Traffic|(in billions of hits)", Color.RED, 14 );<a name="line.50"></a>
<FONT color="green">051</FONT>        chart.addXAxisInfo( new AxisInfo( new ArrayList( Arrays.asList( new String[]{ "Nov", "Dec", "Jan", "Feb", "Mar" } ) ) ) );<a name="line.51"></a>
<FONT color="green">052</FONT>        chart.addXAxisInfo( new AxisInfo( new ArrayList( Arrays.asList( new String[]{ "2007", "2007", "2008", "2008", "2008" } ) ) ) );<a name="line.52"></a>
<FONT color="green">053</FONT>        chart.addYAxisInfo( new AxisInfo( new ArrayList( Arrays.asList( new String[]{ "", "25", "50", "75", "100" } ) ) ) );<a name="line.53"></a>
<FONT color="green">054</FONT>        //Defining background and chart fills.<a name="line.54"></a>
<FONT color="green">055</FONT>        chart.setBackgroundFill(new SolidFill(Color.LIGHTGREY));<a name="line.55"></a>
<FONT color="green">056</FONT>        LinearGradientFill fill = new LinearGradientFill(0,Color.LIGHTBLUE,1);<a name="line.56"></a>
<FONT color="green">057</FONT>        fill.addColorAndOffset(Color.WHITE,0);<a name="line.57"></a>
<FONT color="green">058</FONT>        chart.setAreaFill(fill);<a name="line.58"></a>
<FONT color="green">059</FONT>        label.setText( chart.createURLString() );    <a name="line.59"></a>
<FONT color="green">060</FONT>      }<a name="line.60"></a>
<FONT color="green">061</FONT>    }<a name="line.61"></a>




























































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